@misc{Markham_John_Zoo_[ca, author={Markham, John and Bond, Frederick William (?-1942) and Johnson, Martin Elmer (1884–1937) and Berridge, Walter Sydney and Mohr, Erna (1894–1968) and Kooi, C.S.}, editor={Rząśnicki, Adolf (1884–1953). Kolekcjoner}, copyright={Rights Reserved - Restricted Access}, howpublished={online}, year={[ca 1937-1942]}, language={pol}, title={Zoo London}, keywords={mountain zebra, hybrids, Equus grevyi -, mammals, horse family, Mammalia, Equidae, photograps of animals, breeding centers, Hartman's zebra, Chapman's zebra, Bergzebra, Grant's zebra, Equus zebra zebra, grevy's zebra, zebras, zoo, zoo animals, Zoological Society London, Zoological Gardens London, Whipsnade Park, Johnson, Osa Helen}, }